Home / 821,684.30-1,133,903.15-459,111.14

Finding the Fourth Proportional to 821,684.30, 1,133,903.15 and 459,111.14

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Solution

The fourth proportional to 821,684.30, 1,133,903.15 and 459,111.14 is: 633,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,684.30 : 1,133,903.15 = 459,111.14 : x
  2. Step 2: Convert to fraction form
    821,684.30/1,133,903.15 = 459,111.14/x
  3. Step 3: Cross multiply
    821,684.30x = 1,133,903.15 × 459,111.14
  4. Step 4: Simplify right side
    821,684.30x = 520,587,568,437.32
  5. Step 5: Solve for x
    x = 520,587,568,437.32/821,684.30
  6. Step 6: Final answer
    x = 633,561.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.